Home / 6,642,720.20-9,964,080.30-2,154,996.20

Finding the Fourth Proportional to 6,642,720.20, 9,964,080.30 and 2,154,996.20

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Solution

The fourth proportional to 6,642,720.20, 9,964,080.30 and 2,154,996.20 is: 3,232,494.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642,720.20 : 9,964,080.30 = 2,154,996.20 : x
  2. Step 2: Convert to fraction form
    6,642,720.20/9,964,080.30 = 2,154,996.20/x
  3. Step 3: Cross multiply
    6,642,720.20x = 9,964,080.30 × 2,154,996.20
  4. Step 4: Simplify right side
    6,642,720.20x = 21,472,555,182,994.86
  5. Step 5: Solve for x
    x = 21,472,555,182,994.86/6,642,720.20
  6. Step 6: Final answer
    x = 3,232,494.30

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.